/* FCE Ultra - NES/Famicom Emulator
 *
 * Copyright notice for this file:
 *  Copyright (C) 2002 Xodnizel
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 */

#include "mapinc.h"

static void DoIt(void) {
	ROM_BANK16(0x8000, (mapbyte1[1] & 3) | ((mapbyte1[0] & 0x18) >> 1));
	ROM_BANK16(0xc000, 3 | (((mapbyte1[0]) & 0x18) >> 1));
}

DECLFW(Mapper232_write) {
	if (A <= 0x9FFF)
		mapbyte1[0] = V;
	else
		mapbyte1[1] = V;
	DoIt();
}

static void QuattroReset(void) {
	mapbyte1[0] = 0x18;
	DoIt();
}

void Mapper232_init(void) {
	SetWriteHandler(0x6000, 0xffff, Mapper232_write);
	MapperReset = QuattroReset;
	QuattroReset();
}

